Android Open Source - Flippy Flippy Radio Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.unklegeorge.flippy;
/*www.j a  v  a 2s .c  o m*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.xmlpull.v1.XmlPullParserException;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.content.Intent;
import android.content.res.XmlResourceParser;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageButton;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.MediaController;
import android.widget.TextView;

public class FlippyRadioActivity extends FlippyBase implements View.OnClickListener {

  private static final String TAG = "FlippyRadio";
  private static final String NEWLINE = System.getProperty("line.separator");

  // PLS file
  private static final String FILE = "File";
  private static final String TITLE = "Title";
  
  // XML file
  private static final String PATH = "path";
  private static final String NAME = "name";
  private static final String PLAYLIST = "playlist";
  
  private int mCurPlayingPos = 0;
  
  class PlsAdapater extends BaseAdapter implements ListAdapter {

    private final List<PlsEntry> mContent;
    private final Activity mActivity;
  
    public PlsAdapater(List<PlsEntry> content, Activity activity) {
      mContent = content;
      mActivity = activity;
    }
    
    @Override
    public int getCount() {
      return mContent.size();
    }

    @Override
    public PlsEntry getItem(int position) {
      return mContent.get(position);
    }

    @Override
    public long getItemId(int position) {
      return position;
    }

    @Override
    public View getView(int position, View reuse, ViewGroup group) {
      final LayoutInflater inflater = mActivity.getLayoutInflater();
            View res = inflater.inflate(R.layout.playlist_entry, null);
            TextView title = (TextView) res.findViewById(R.id.entryTitle);
            PlsEntry entry = getItem(position);
            title.setText(entry.getTitle());
      return res;
    }
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.radio);

    final ArrayList<PlsEntry> entries = new ArrayList<PlsEntry>();
    try { loadPlaylists(entries); } 
    catch(Exception e) { 
            TextView text = (TextView) findViewById(R.id.radioTextView1);
            text.setText(e.toString());
    }
      final PlsAdapater adapter = new PlsAdapater(entries, this);
      final ListView list = (ListView) findViewById(R.id.radioListView1);
      list.setAdapter(adapter);
      list.setOnItemClickListener(new OnItemClickListener(){
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        startPlay(adapter.getItem(position));
        list.setSelection(position);
            }});
      
      setPPIcon(isServiceRunning(FlippyPlayerService.class.getName()));
  }

  @Override
  public void onStart() {
    super.onStart();
  }
  
  @Override
  public void onStop() {
    super.onStop();
  }
  
  @Override
  public void onClick(View v) {
    switch ( v.getId() ) {
    case R.id.imageButtonNext:
      seek(1);
      break;
    case R.id.imageButtonPP:
      if ( stopService(new Intent(this, FlippyPlayerService.class)) )
        setPPIcon(false);
      else
        seek(0);
      break;
    case R.id.imageButtonPrev:
      seek(-1);
      break;
    default:
    }
  }
  
  public void seek(int direction) {
    final ListView list = (ListView) findViewById(R.id.radioListView1);
    final PlsEntry entry = (PlsEntry) list.getItemAtPosition(mCurPlayingPos+direction);
    if ( entry != null ) {
      mCurPlayingPos += direction; 
      startPlay(entry);
    }
  }
    
  public void startPlay(PlsEntry entry) {
    TextView text = (TextView) findViewById(R.id.radioTextView1);
    text.setText(entry.getFile() + NEWLINE + entry.getTitle());
    
      Intent intent = new Intent(this, FlippyPlayerService.class);
      intent.putExtra(PlsEntry.PLSENTRY, entry);
      intent.setAction(FlippyPlayerService.ACTION_PLAY);
      startService(intent);
      setPPIcon(true);
  }
  
  private boolean isServiceRunning(String name) {
      ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
      for ( RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE) ) {
          if ( name.equals(service.service.getClassName()) ) {
              return true;
          }
      }
      return false;
  }

  private void setPPIcon(boolean state) {
    ImageButton buttonPlay = (ImageButton) findViewById(R.id.imageButtonPP);
    if ( state )
      buttonPlay.setImageDrawable(getResources().getDrawable(android.R.drawable.ic_media_pause));
    else
      buttonPlay.setImageDrawable(getResources().getDrawable(android.R.drawable.ic_media_play));
  }
  
  public String readPlaylist(String path, String name, ArrayList<PlsEntry> entries) {
    PlsEntry entry = null;
    String result = executeHttpGet(path);
    String lines[] = result.split(NEWLINE);
    for ( int i=0; i<lines.length; i++ ) {
      String line = lines[i];
      if ( line.startsWith(FILE) ) {
        entry = new PlsEntry(line.substring(FILE.length()+2), name);
        entries.add(entry);
      } else if ( line.startsWith(TITLE) ) {
        entry.setTitle(line.substring(TITLE.length()+2));
      }
    }
    return result;
  }
  
  public String executeHttpGet(String path) {
    BufferedReader in = null;
    String page = null;
    try {
      HttpClient client = new DefaultHttpClient();
      HttpGet request = new HttpGet();
      request.setURI(new URI(path));
      HttpResponse response = client.execute(request);
      in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
      StringBuffer sb = new StringBuffer("");
      String line = "";
      while ((line = in.readLine()) != null) {
        sb.append(line + NEWLINE);
      }
      in.close();
      page = sb.toString();
    } catch (Exception e) {
      page = e.getMessage();
    } finally {
      if (in != null) {
        try {
          in.close();
        } catch (Exception e) {
          page = e.getMessage();
        }
      }
    }
    return page;
  }
  
  protected void loadPlaylists(ArrayList<PlsEntry> entries) throws XmlPullParserException, IOException {
    XmlResourceParser parser = getResources().getXml(R.xml.playlists);
    int eventType = -1;
    while (eventType != XmlResourceParser.END_DOCUMENT) {
      if (eventType == XmlResourceParser.START_TAG) {
        String strName = parser.getName();
        if (strName.equals(PLAYLIST)) {
          String path = parser.getAttributeValue(null, PATH);
          String name = parser.getAttributeValue(null, NAME);
          readPlaylist(path, name, entries);
        }
      }
      eventType = parser.next();
    }
  }

}

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